What is Semen Sibling?
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When you discover that one of your parents has had sex with the parents of someone you know, that person is now your semen sibling.
I kept wondering why dad keeps on giving rachel wierd looks, turns out he fucked her mother and we're semen siblings.
See
Random Words:
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i do not agree with you agreeing with this comment
sif: ~*omg lol that girl is so fat
stick girl: idnawyawtc
See iawtc, sif, lame, l..
1.
A Reverse Buddha Flip is where you perform a Loser 180
Dave: You guys know I can Buddha Flip
Dave looks proud
Bunny: Watch this!
Bun..